Power conversion device

The power conversion device with a capacitor module and biased semiconductor arrangement addresses thermal and electrical integration challenges, enhancing performance and reliability in semiconductor modules for various electronic devices.

US20260171927A1Pending Publication Date: 2026-06-18ROHM CO LTD
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Patent Information

Authority / Receiving Office
US · United States
Patent Type
Applications(United States)
Current Assignee / Owner
ROHM CO LTD
Filing Date
2026-02-11
Publication Date
2026-06-18

AI Technical Summary

⚠Technical Problem

Conventional semiconductor modules face challenges in efficiently integrating power switching elements like MOSFETs and IGBTs into electronic devices, particularly in ensuring optimal thermal management and electrical connectivity while maintaining compactness and reliability.

⚗Method used

A power conversion device comprising a capacitor module with specific busbar configurations and semiconductor modules arranged in a biased manner, utilizing silicon carbide semiconductor elements and a conductive substrate with a support substrate for improved thermal dissipation and electrical connectivity.

🎯Benefits of technology

Enhances thermal management and electrical performance, enabling compact and reliable integration of power switching elements in electronic devices, such as industrial equipment, home appliances, and automobile equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The power conversion device includes a first semiconductor module, a second semiconductor module, a third semiconductor module, and a capacitor module. As viewed in a z direction, the first center line of the first semiconductor module, the second center line of the second semiconductor module, and the third center line of the third semiconductor module intersect the capacitor body. The first angle formed by the first center line and the second center line and the second angle formed by the second center line and the third center line are equal to each other. The lengths of the first busbar, the second busbar and the third busbar are equal to each other.
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